When comparing Crystal Space 3D vs S2 engine HD, the Slant community recommends Crystal Space 3D for most people. In the question“What are the best 3D game engines?” Crystal Space 3D is ranked 44th while S2 engine HD is ranked 45th. The most important reason people chose Crystal Space 3D is:
Scripting language biddings are available via swig, supposedly any swig target could be used If you are okay with building, and probably maintaining, the project for your own needs then you may be able to build bindings for your favorite scripting platform. As noted in a slant "con", there are no binary releases, including no prebuilt bindings.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Scripting language bindings (via swig) python, perl, tcl
Scripting language biddings are available via swig, supposedly any swig target could be used If you are okay with building, and probably maintaining, the project for your own needs then you may be able to build bindings for your favorite scripting platform.
As noted in a slant "con", there are no binary releases, including no prebuilt bindings.
Pro Cross platform
Runs on all major desktop platforms.
Pro Built-in weather system
It is possible to edit weather conditions (rain, thunders,wind, clouds, night and day cycle) by simply moving some sliders.
Pro UI is intuitively laid out
Important functions can easily be seen and accessed, making the engine quite user friendly, even for beginners or those who are new to the engine.
Pro Great rendering
S2ENGINE HD rendering power is comparable to more famous engines like Cryengine and UE4.
Pro Complete terrain editor
S2ENGINE HD is integrated with a complete terrain editor that lets you sculpt, paint, add vegetation, and add splines like roads, rivers, fences, etc.
Pro Easy to use
Essential functions are very easy to use and understand.
Cons
Con No binary releases.
Expect to compile this from source if your want to play with it.
Ubuntu has a package for it, but that package appears to be missing it's scripting language bindings. I expect the build is also quite old and i fear may be dropped in coming Ubuntu releases.
Con Still in early access
Might be quite buggy.